Air-curtain blower fan



FIG. 1 is a front elevational view of an air-curtain blower fan, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a greatly enlarged cross-sectional view thereof, taken along line 6--6 of FIG. 1; and,

FIG. 7 is an enlarged front, bottom and right side perspective view thereof. 

The ornamental design for an air-curtain blower fan, as shown and described. 